Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 3197 more...
- ItemBB026671 - Great Northern Engineering Drawing: Shop Plan - Rack and Worm, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026672 - Great Northern Engineering Drawing: Shop Plan - Wedges, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026673 - Great Northern Engineering Drawing: Shop Plan - Gear Wheels, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026674 - Great Northern Engineering Drawing: Shop Plan - Details Casting, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026675 - Great Northern Engineering Drawing: Shop Plan - Details Casting, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026676 - Great Northern Engineering Drawing: Shop Plan - Friction Clamp, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026677 - Great Northern Engineering Drawing: Shop Plan - Industry Machinery, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026678 - Great Northern Engineering Drawing: Shop Plan - Shaft Bearings, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- ItemBB026679 - Great Northern Engineering Drawing: Shop Plan - Forgings, Bridge 12 - Ebey Slough, South of Marysville, Washington, undated
- 795 more...